Question about Coleman Mach III Air Conditioner

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How do I change fan motor on my Mach 1 roof top RV A/C Model 8335D8764

How to change fan motor to RV Roof top A/C. Model # 833D8764

Posted by Anonymous on

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  • Master
  • 587 Answers

Try airxcel.com, you should get some options, to get either their literature or tech support and they should be able to help you.

Posted on Apr 10, 2016

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Posted on Jan 02, 2017

  • 127 Answers

SOURCE: My roof top Coleman Mach model 9202-876 only hums

Check to make sure that you are getting power to the fan motor. If you are getting power, then change the Fan Capacitor, if no power then trace the feed back to where the incoming power stops and repair that problem.

Hope this helps,

Jeff

Posted on Jul 06, 2009

jumptrout51
  • 3361 Answers

SOURCE: rv coleman roof mach 3 a/c compressor runs

Replace the thermostat.

Posted on Jul 21, 2009

  • 1 Answer

SOURCE: Looking for manual for rv roof air conditioner on

Looking for a coleman thermostat number 7330-3351. Anyone know where I might find one. It is for a Coleman 7300 roof air.
e mail at aacebail@att.net thanks

Posted on May 20, 2010

motor1258
  • 6674 Answers

SOURCE: i have a 6799a800 series

Sounds like fan start capacitor is faulty. That is your cooling fan above as well as blower inside, all in one motor.

Posted on Aug 27, 2011

  • 884 Answers

SOURCE: coleman mach rv roof ac, the fan comes on but the compressor doesn't, i've replaced all capacitors and stll is not comming on, how do i check voltage to the compressor to maske sure i have pow

At the compressor connectors you have a live and a neutral phase. The live usually goes to a ptc relay starting mechanism which you can test with a meter. If you can disconnect the relay and check the windings of the compressor from one pin to the other two it will tell you if the compressor is open circuit. It is more often than not an overload fault.

Posted on Apr 23, 2012

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Coleman mach rv roof ac, the fan comes on but the compressor doesn't, i've replaced all capacitors and stll is not comming on, how do i check voltage to the compressor to maske sure i have pow


At the compressor connectors you have a live and a neutral phase. The live usually goes to a ptc relay starting mechanism which you can test with a meter. If you can disconnect the relay and check the windings of the compressor from one pin to the other two it will tell you if the compressor is open circuit. It is more often than not an overload fault.

Apr 23, 2012 | Coleman Heating & Cooling

2 Answers

Fan not blowing in coleman trs rv roof air


well check a few things first....have someone remove the cover and reach in with a hand and try to manually spin the blade...free spinning?....then tell the person below to click in the on postion while someone views from up top.....is it humming? or even trying to spin?....if not check the fuse on the RV that protects the A/C unit.....good?.....now replace the capacitor ( it the silver or gray can looking thing that the motor wires run to) only the correct size will work w/o causing further motor damage.

Jul 08, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a coleman Mach rooftop unit & want to connect drain tubing to carry condensate away. Is there a small drip pan with a tubing conncetion for this?


If all you want to do is re-route condensation dripping off the roof, and it's a rubber roof, one easy way is to buy a caulking tube of "Dicor" self leveling sealant for rubber roofs from RV dealer, and run a 1/4"-3/8" bead across roof from AC to wherever you want it to go, and let it cure for a couple of hours. Nobody sees it, and a tube is about $10 max.

Jun 09, 2010 | Coleman Mach III Air Conditioner

3 Answers

Fan does not run. Compressor is running. I can spin the fan, just doesn't run.


If the fan motor is getting the proper voltage and the capacitor is good the motors bad.
Either open windings or overload is open.

Mar 15, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

My roof top Coleman Mach model 9202-876 only hums when trurned on.


Check to make sure that you are getting power to the fan motor. If you are getting power, then change the Fan Capacitor, if no power then trace the feed back to where the incoming power stops and repair that problem.

Hope this helps,

Jeff

Jul 05, 2009 | Coleman Heating & Cooling

1 Answer

Coleman Mach roof top ac


Under the drain pan on each side should be a small plastic drain plug they might be clogged up with debris.

Jun 07, 2008 | Dometic Rooftop RV Air Conditioner

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